Tools & Wizards About Us
dayu.cn screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

dayu.cn

温馨提示

Page Load Speed

65.7 sec in total

First Response

4.4 sec

Resources Loaded

60.6 sec

Page Rendered

762 ms

dayu.cn screenshot

About Website

Click here to check amazing Dayu content. Otherwise, check out these important facts you probably never knew about dayu.cn

腾讯云域名注册, 腾讯云旗下品牌。腾讯云域名注册是中国领先的域名注册服务提供商, 并提供云主机、网站建设等网络服务。

Visit dayu.cn

Key Findings

We analyzed Dayu.cn page load time and found that the first response time was 4.4 sec and then it took 61.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 36 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

dayu.cn performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

dayu.cn

4385 ms

www.dayu.cn

7267 ms

m.js

1077 ms

style_2_common.css

3772 ms

common.js

1552 ms

Our browser made a total of 145 requests to load all elements on the main page. We found that 66% of them (95 requests) were addressed to the original Dayu.cn, 6% (9 requests) were made to Pos.baidu.com and 5% (7 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Dayu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 396.4 kB (47%)

Content Size

837.4 kB

After Optimization

440.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dayu.cn main page is 837.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 314.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 112.0 kB

  • Original 139.1 kB
  • After minification 130.8 kB
  • After compression 27.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 112.0 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 10.8 kB

  • Original 286.3 kB
  • After minification 275.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Dayu images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 196.3 kB

  • Original 314.9 kB
  • After minification 305.2 kB
  • After compression 118.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 196.3 kB or 62% of the original size.

CSS Optimization

-80%

Potential reduce by 77.4 kB

  • Original 97.1 kB
  • After minification 92.9 kB
  • After compression 19.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Dayu.cn needs all CSS files to be minified and compressed as it can save up to 77.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (33%)

Requests Now

105

After Optimization

70

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dayu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dayu.cn

dayu.cn

4385 ms

www.dayu.cn

www.dayu.cn

7267 ms

m.js

m.js

1077 ms

style_2_common.css

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3772 ms

common.js

common.js

1552 ms

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2020 ms

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2021 ms

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ping.js

496 ms

discuz_tips.js

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497 ms

home.php

home.php

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1070 ms

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ads

ads

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40 ms

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6 ms

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ads

325 ms

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firstarea.gif

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Accessibility Review

dayu.cn accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dayu.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

dayu.cn SEO score

70

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dayu.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dayu.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

dayu.cn

Open Graph description is not detected on the main page of Dayu. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: